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. 2022 Dec;37(12):2663-2677.
doi: 10.1002/jbmr.4716. Epub 2022 Oct 31.

Management of Hypoparathyroidism

Aliya A Khan  1 , Gordon Guyatt  2 , Dalal S Ali  1 , John P Bilezikian  3 , Michael T Collins  4 , Karel Dandurand  1 , Michael Mannstadt  5 , Deborah Murphy  6 , Iman M'Hiri  7 , Mishaela R Rubin  3 , Robert Sanders  6 , Muhammad Shrayyef  8 , Heide Siggelkow  9   10 , Gaia Tabacco  11   12 , Yu-Kwang Donovan Tay  13 , Stan Van Uum  14 , Tamara Vokes  15 , Karen K Winer  16 , Liang Yao  2 , Lars Rejnmark  17
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Free article

Management of Hypoparathyroidism

Aliya A Khan et al. J Bone Miner Res. 2022 Dec.
Free article

Abstract

Hypoparathyroidism (HypoPT) is a rare disorder characterized by hypocalcemia in the presence of a low or inappropriately normal parathyroid hormone level. HypoPT is most commonly seen after neck surgery, which accounts for approximately 75% of cases, whereas approximately 25% have HypoPT due to nonsurgical causes. In both groups of patients, conventional therapy includes calcium and active vitamin D analogue therapy aiming to maintain serum calcium concentration in the low normal or just below the normal reference range and normalize serum phosphorus, magnesium concentrations, and urine calcium levels. The limitations of conventional therapy include wide fluctuations in serum calcium, high pill burden, poor quality of life, and renal complications. Parathyroid hormone (PTH) replacement therapy may improve the biochemical profile in those in whom conventional therapy proves unsatisfactory. Based on a systematic review and meta-analysis of the literature, the panel made a graded recommendation suggesting conventional therapy as first line therapy rather than administration of PTH (weak recommendation, low quality evidence). When conventional therapy is deemed unsatisfactory, the panel considers use of PTH. Because pregnancy and lactation are associated with changes in calcium homeostasis, close monitoring is required during these periods with appropriate adjustment of calcium and active vitamin D analogue therapy to ensure that serum calcium remains in the mid to low normal reference range in order to avoid maternal and fetal complications. Emerging therapies include molecules with prolonged PTH action as well as different mechanisms of action that may significantly enhance drug efficacy and safety. © 2022 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).

Keywords: CELL/TISSUE SIGNALING; DISORDERS OF CALCIUM/PHOSPHATE METABOLISM; ENDOCRINE PATHWAYS; PARATHYROID-RELATED DISORDERS.

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References

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